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Table recognition method and device, computer equipment and storage medium

A recognition method and table technology, which are applied in the fields of computer equipment and storage media, table recognition methods and devices, can solve the problems of inapplicability of elevator maintenance and repair tables, and low accuracy of handwriting recognition.

Pending Publication Date: 2021-12-14
HITACHI BUILDING TECH GUANGZHOU CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the information in the identification form using OCR technology is disordered and unstructured information, and the accuracy of handwriting recognition is not high, so it is not suitable for specific elevator maintenance and repair forms.

Method used

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  • Table recognition method and device, computer equipment and storage medium
  • Table recognition method and device, computer equipment and storage medium
  • Table recognition method and device, computer equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] figure 1 It is a flow chart of a form recognition method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of elevator maintenance and repair form recognition. The method can be executed by a form recognition device, and the form recognition device can be controlled by software And / or hardware implementation, can be configured in computer equipment, for example, server, personal computer, etc., specifically include the following steps:

[0029] Step 101, obtaining the original image containing the table;

[0030] The images are taken by mobile terminals such as mobile phones and tablets. The tables included in the images are tables with a fixed format specially made by the elevator maintenance and overhaul office. The tables are drawn for different usage scenarios. Exemplary, different The content contained in the layout form is: regular inspection of grade A defects of straight elevators, regular inspection of grade A de...

Embodiment 2

[0148] image 3 A structural block diagram of a form recognition device provided in Embodiment 2 of the present invention may specifically include the following modules:

[0149] An image acquisition module 301, configured to acquire an original image containing a form;

[0150] A frame line extraction module 302, configured to extract form frame lines from the original image;

[0151] Cell positioning and segmentation module 303, configured to perform positioning and segmentation on each cell formed by the intersection of the frame lines of the table, and record the position information of the cell;

[0152] Character recognition module 304, for adopting deep learning model to recognize the character in described cell;

[0153] The information output module 305 is configured to output the position information of the characters and the cells in the form of a multidimensional array.

[0154] In one embodiment of the present invention, the frame line extraction module 302 inc...

Embodiment 3

[0214] Figure 4 It is a schematic structural diagram of a computer device provided by Embodiment 3 of the present invention. Figure 4 A block diagram of an exemplary computer device 12 suitable for implementing embodiments of the invention is shown. Figure 4 The computer device 12 shown is only an example, and should not impose any limitation on the functions and scope of use of the embodiments of the present invention.

[0215] Such as Figure 4 As shown, computer device 12 takes the form of a general-purpose computing device. Components of computer device 12 may include, but are not limited to: one or more processors or processing units 16 , system memory 28 , bus 18 connecting various system components including system memory 28 and processing unit 16 .

[0216] Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety...

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Abstract

The embodiment of the invention provides a table recognition method and device, computer equipment and a storage medium. The method comprises the steps that an original image containing a table is collected; extracting a table frame line from the original image; positioning and segmenting each cell formed by intersecting the frame lines of the table, and recording the position information of the cells; recognizing characters in the cells by adopting a deep learning model; and outputting the position information of the characters and the cells in the form of a multi-dimensional array. Through the training of a character sample set in the early stage, the obtained table recognition algorithm based on deep learning can accurately position the position information of the handwritten form of the special character, and segment and recognize the category of the special handwritten character. Therefore, the table recognition algorithm based on deep learning has high pertinence and is suitable for a specific elevator maintenance table. In the process of recognizing the specific elevator maintenance table, the content in the table can be organized and stored in sequence and in a structured mode.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of deep learning application technology, and in particular to a table recognition method, device, computer equipment and storage medium. Background technique [0002] Under normal circumstances, the information of elevator maintenance and repair is mostly handwritten by inspection personnel using fixed-format forms. Currently on the market, some companies have launched OCR detection and recognition cloud services or offline SDKs to identify information in common forms, such as paper documents such as medical documents, financial and tax bills, legal files, and test paper formulas. Identify special scenarios that are not applicable to elevator maintenance and inspection. Currently, OCR (Optical Character Recognition, Optical Character Recognition) technology is used to identify the character information in the form. OCR refers to the electronic equipment (such as a scanner or digita...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/34G06N3/04G06N3/08G06T7/13
CPCG06T7/13G06N3/08G06N3/045
Inventor 张宁唐其伟陈涛杜卉然李志武
Owner HITACHI BUILDING TECH GUANGZHOU CO LTD
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